Increase the number of shards for some tests

This is to make CQ check faster when update clang like below.

This CL increases the number of shards so that max shard duration reduced around 30 minutes.

I use shard duration of following builds to adjust the number of shards.

Bug: 794372, 865455
Change-Id: Iee4e55af62219ba6d4f36d3ff5bcf53e5b7e9725
Commit-Queue: Takuto Ikuta <>
Reviewed-by: Nico Weber <>
Cr-Commit-Position: refs/heads/master@{#576584}
2 files changed